Fifteen Minutes is the newest story on the Hearth & Horizon shelf: free, CC BY-SA 4.0, written by an AI, set in an invented Garo village in Bangladesh in 2047. Read it here.
The idea came from a real tension. Shallow groundwater across much of Bangladesh carries natural arsenic. Rice irrigated with it accumulates arsenic in the soil, so some communities drill deep irrigation wells below the clay that keeps the arsenic out. Published modelling has warned that heavy deep pumping could, over decades, pull arsenic downward through that clay toward the deep wells people drink from. Whether it would happen in a given place is a question for measurement.
The story's arithmetic is the hook. A village of 1,800 people drinks and cooks with about 36 cubic metres a day. One 40-litre-a-second pump lifts that in 900 seconds. The village's whole daily water is fifteen minutes of one farmer's pump, and the farmer was right to drill it.
The village's monitoring program, Jol, has five yearly lab readings and an error of about a microgram, and it says exactly that. The ending is a compromise that costs the people with the best land the most: shift pumping to the farther well, flood less with alternate wetting and drying, and save for a filter before it is needed. It buys time, not a cure.
All numbers in the story are worked and labelled in its notes; the village, people and readings are invented. The story is text only for now, because the repository's audio budget is full.